.whole_div {
    display: flex;
    flex-direction: row;
    width: 100%;
}

.small_div {
    height: 75vh;
    width: 90%;
    border-radius: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    flex-wrap: nowrap;
}

.small_card {
    width: 80%;
    border-radius: 30px;
    text-align: center;
    font-size: 20px;
    background-color: rgba(255, 192, 203, .6);
    margin: 0 auto;
    color: #fff;
    letter-spacing: 12px;
    outline: none;
}

.small_card:nth-child(1) h1 {
    text-align: center;
    --c: lightseagreen;
    text-shadow: 0 0 10px var(--c),
        0 0 20px var(--c),
        0 0 40px var(--c),
        0 0 80px var(--c),
        0 0 160px var(--c);
    animation: animate 8s linear infinite;
}

@keyframes animate {
    to {
        filter: hue-rotate(360deg);
    }
}

.small_card:nth-child(2) {
    background-color: orange;
}

.small_card1 {
    letter-spacing: 15px;
    border-radius: 30px;
    width: 90%;
    height: 60vh;
    font-size: 36px;
    text-align: center;
    display: flex;
    flex-direction: column;
    background-color: rgba(166, 240, 215, 0.3);
    cursor: pointer;
}

.span {
    font-size: 28px;
    display: block;
}

#main {
    margin-top: 40px;
    width: 90%;
    height: 60%;
}


#main_1 {
    width: 90%;
    height: 60%;
}

.title {
    font-size: 30px;
}

.clearfix {
    margin: 20px 0 30px;
}